2024 5月 中三 化学 必考 题型
Those students tested on ionic bonding and covalent bonding will have to look out for these few question types.
1. Relating physical properties to structure and bonding
2. Drawing dot cross diagram on ionic and covalent compounds
3. Explaining difference in melting/boiling point, electrical conductivity based on structure and bonding
4. Defining and identifying allotropes
5. Identify ionic and covalent compounds
6. Trends in long response questions such as graphs
7. Predict physical properties based on similarity with known compound
Those students tested on atomic structure will have to look out for these few question types.
1. Calculating number of proton, neutron and electrons
2. Writing the electronic configuration of elements
3. Defining isotopes and questions on chemical and physical properties of isotopes
4. Identifying atoms, isotopes, ions
5. Trends in long response questions such as graphs